Ford F-250

How is the wiring on a 1979 Ford F-250 alternator red for battery what is the black and white wires for?

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Wiki User
2007-10-31 15:14:29

White wire is for signal voltage and the black wire sends the

voltage to the battery, orange/red wire is your field wire that

goes out to your external regulator, also there is a signal wire

that goes to your battery gauge inside the cab.

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